| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Switzerland | 6 | |
| #3 | Denmark | 4 | |
| #4 | Spain | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Clutches and brakes | |
| #3 | Nails | |
| #4 | Pipes | |
| #5 | Guiding railway traffic | |
| #6 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roterberg Werner | 13 |
| #2 | Werner Roterberg | 6 |
| Publication | Filing date | Title |
|---|---|---|
| ES157720A1 | A conical ring insurance for trees, shears, tubes and similars to be subjected in animals or to be joined axially | |
| ES157721A1 | A new rotating support |